<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>
        <span>商品管理</span>
      </el-breadcrumb-item>
      <el-breadcrumb-item>商品分类</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 添加分类按钮区域 -->
      <el-row>
        <el-col>
          <el-button @click="showAddCateDialog" type="primary">添加分类</el-button>
        </el-col>
      </el-row>

      <!-- 表格 -->
      <tree-table
        class="treeTable"
        :data="cateList"
        :columns="columns"
        :selection-type="false"
        :expand-type="false"
        show-index
        index-text="序号"
        border
        :show-row-hover="true"
      >
        <!-- 是否有效 -->
        <template slot="isOk" slot-scope="scope">
          <i
            class="el-icon-success"
            v-if="scope.row.cat_deleted === false"
            style="color: lightgreen"
          ></i>
          <i class="el-icon-error" v-else style="color: red"></i>
        </template>
        <!-- 排序 -->
        <template slot="order" slot-scope="scope">
          <el-tag v-if="scope.row.cat_level === 0" size="mini">一级</el-tag>
          <el-tag type="success" v-else-if="scope.row.cat_level === 1" size="mini">二级</el-tag>
          <el-tag type="warning" v-else size="mini">三级</el-tag>
        </template>
        <!-- 操作 -->
        <template slot="opt" slot-scope="scope">
          <el-button
            type="primary"
            icon="el-icon-edit"
            size="mini"
            @click="showEditDialog(scope.row.cat_id)"
          >编辑</el-button>
          <el-button
            type="danger"
            icon="el-icon-delete"
            size="mini"
            @click="removeCateById(scope.row.cat_id)"
          >删除</el-button>
        </template>
      </tree-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加分类对话框 -->
    <el-dialog
      title="添加分类"
      :visible.sync="addCateDialogVisible"
      width="50%"
      @close="addCateDialogClosed"
    >
      <!-- 添加分类表单 -->
      <el-form
        :model="addCateForm"
        :rules="addCateFormRules"
        ref="addCateFormRuleForm"
        label-width="100px"
      >
        <el-form-item label="分类名称" prop="cat_name">
          <el-input v-model="addCateForm.cat_name"></el-input>
        </el-form-item>
        <el-form-item label="父级分类" prop="cat_pid">
          <el-cascader
            v-model="selectedKeys"
            :options="parentCateList"
            :props="cascaderProps"
            @change="parentCateChange"
            clearable
            change-on-select
            ref="cateHandle"
          ></el-cascader>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addCateDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addCate">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import cate from './cate.js'
export default {
  ...cate
}
</script>

<style lang="scss" scoped>
.treeTable {
  margin-top: 15px;
}
</style>
